summaryrefslogtreecommitdiff
path: root/sys/dev/usb/umassvar.h
blob: f436f0dbb4ad1239f1f260b0e9333310cb6e153e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
/*	$OpenBSD: umassvar.h,v 1.11 2007/06/12 16:26:36 mbalmer Exp $ */
/*	$NetBSD: umassvar.h,v 1.20 2003/09/08 19:31:01 mycroft Exp $	*/
/*-
 * Copyright (c) 1999 MAEKAWA Masahide <bishop@rr.iij4u.or.jp>,
 *		      Nick Hibma <n_hibma@freebsd.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *     $FreeBSD: src/sys/dev/usb/umass.c,v 1.13 2000/03/26 01:39:12 n_hibma Exp $
 */

#ifdef UMASS_DEBUG
#define DIF(m, x)	if (umassdebug & (m)) do { x ; } while (0)
#define DPRINTF(m, x)	do { if (umassdebug & (m)) printf x; } while (0)
#define UDMASS_UPPER	0x00008000	/* upper layer */
#define UDMASS_GEN	0x00010000	/* general */
#define UDMASS_SCSI	0x00020000	/* scsi */
#define UDMASS_UFI	0x00040000	/* ufi command set */
#define UDMASS_8070	0x00080000	/* 8070i command set */
#define UDMASS_USB	0x00100000	/* USB general */
#define UDMASS_BBB	0x00200000	/* Bulk-Only transfers */
#define UDMASS_CBI	0x00400000	/* CBI transfers */
#define UDMASS_ALL	0xffff0000	/* all of the above */

#define UDMASS_XFER	0x40000000	/* all transfers */
#define UDMASS_CMD	0x80000000

extern int umassdebug;
#else
#define DIF(m, x)	/* nop */
#define DPRINTF(m, x)	/* nop */
#endif

/* Generic definitions */

#define UFI_COMMAND_LENGTH 12

/* Direction for umass_*_transfer */
#define DIR_NONE	0
#define DIR_IN		1
#define DIR_OUT		2

/* Endpoints for umass */
#define	UMASS_BULKIN	0
#define	UMASS_BULKOUT	1
#define	UMASS_INTRIN	2
#define	UMASS_NEP	3

/* Bulk-Only features */

#define UR_BBB_RESET	0xff		/* Bulk-Only reset */
#define	UR_BBB_GET_MAX_LUN	0xfe

/* Command Block Wrapper */
typedef struct {
	uDWord		dCBWSignature;
#define CBWSIGNATURE	0x43425355
	uDWord		dCBWTag;
	uDWord		dCBWDataTransferLength;
	uByte		bCBWFlags;
#define CBWFLAGS_OUT	0x00
#define CBWFLAGS_IN	0x80
	uByte		bCBWLUN;
	uByte		bCDBLength;
#define CBWCDBLENGTH	16
	uByte		CBWCDB[CBWCDBLENGTH];
} umass_bbb_cbw_t;
#define UMASS_BBB_CBW_SIZE	31

/* Command Status Wrapper */
typedef struct {
	uDWord		dCSWSignature;
#define CSWSIGNATURE		0x53425355
#define CSWSIGNATURE_OLYMPUS_C1	0x55425355
	uDWord		dCSWTag;
	uDWord		dCSWDataResidue;
	uByte		bCSWStatus;
#define CSWSTATUS_GOOD	0x0
#define CSWSTATUS_FAILED 0x1
#define CSWSTATUS_PHASE	0x2
} umass_bbb_csw_t;
#define UMASS_BBB_CSW_SIZE	13

/* CBI features */

#define UR_CBI_ADSC	0x00

typedef unsigned char umass_cbi_cbl_t[16];	/* Command block */

typedef union {
	struct {
		uByte	type;
#define IDB_TYPE_CCI		0x00
		uByte	value;
#define IDB_VALUE_PASS		0x00
#define IDB_VALUE_FAIL		0x01
#define IDB_VALUE_PHASE		0x02
#define IDB_VALUE_PERSISTENT	0x03
#define IDB_VALUE_STATUS_MASK	0x03
	} common;

	struct {
		uByte	asc;
		uByte	ascq;
	} ufi;
} umass_cbi_sbl_t;

struct umass_softc;		/* see below */

typedef void (*umass_callback)(struct umass_softc *, void *, int, int);
#define STATUS_CMD_OK		0	/* everything ok */
#define STATUS_CMD_UNKNOWN	1	/* will have to fetch sense */
#define STATUS_CMD_FAILED	2	/* transfer was ok, command failed */
#define STATUS_WIRE_FAILED	3	/* couldn't even get command across */

typedef void (*umass_wire_xfer)(struct umass_softc *, int, void *, int, void *,
				int, int, u_int, umass_callback, void *);
typedef void (*umass_wire_reset)(struct umass_softc *, int);
typedef void (*umass_wire_state)(usbd_xfer_handle, usbd_private_handle,
				 usbd_status);

struct umass_wire_methods {
	umass_wire_xfer		wire_xfer;
	umass_wire_reset	wire_reset;
	umass_wire_state	wire_state;
};

struct umassbus_softc {
	struct device *		sc_child;	/* child device, for detach */
};

/* the per device structure */
struct umass_softc {
	struct device		sc_dev;		/* base device */
	usbd_device_handle	sc_udev;	/* device */
	usbd_interface_handle	sc_iface;	/* interface */
	int			sc_ifaceno;	/* interface number */

	u_int8_t		sc_epaddr[UMASS_NEP];
	usbd_pipe_handle	sc_pipe[UMASS_NEP];
	usb_device_request_t	sc_req;

	const struct umass_wire_methods *sc_methods;

	u_int8_t		sc_wire;	/* wire protocol */
#define	UMASS_WPROTO_UNSPEC	0
#define	UMASS_WPROTO_BBB	1
#define	UMASS_WPROTO_CBI	2
#define	UMASS_WPROTO_CBI_I	3

	u_int8_t		sc_cmd;		/* command protocol */
#define	UMASS_CPROTO_UNSPEC	0
#define	UMASS_CPROTO_SCSI	1
#define	UMASS_CPROTO_ATAPI	2
#define	UMASS_CPROTO_UFI	3
#define	UMASS_CPROTO_RBC	4
#define UMASS_CPROTO_ISD_ATA	5

	u_int32_t		sc_quirks;
#define UMASS_QUIRK_WRONG_CSWSIG	0x00000001
#define UMASS_QUIRK_WRONG_CSWTAG	0x00000002

	u_int32_t		sc_busquirks;

	/* Bulk specific variables for transfers in progress */
	umass_bbb_cbw_t		cbw;	/* command block wrapper */
	umass_bbb_csw_t		csw;	/* command status wrapper*/
	/* CBI specific variables for transfers in progress */
	umass_cbi_cbl_t		cbl;	/* command block */
	umass_cbi_sbl_t		sbl;	/* status block */

	/* xfer handles
	 * Most of our operations are initiated from interrupt context, so
	 * we need to avoid using the one that is in use. We want to avoid
	 * allocating them in the interrupt context as well.
	 */
	/* indices into array below */
#define XFER_BBB_CBW		0	/* Bulk-Only */
#define XFER_BBB_DATA		1
#define XFER_BBB_DCLEAR		2
#define XFER_BBB_CSW1		3
#define XFER_BBB_CSW2		4
#define XFER_BBB_SCLEAR		5
#define XFER_BBB_RESET1		6
#define XFER_BBB_RESET2		7
#define XFER_BBB_RESET3		8

#define XFER_CBI_CB		0	/* CBI */
#define XFER_CBI_DATA		1
#define XFER_CBI_STATUS		2
#define XFER_CBI_DCLEAR		3
#define XFER_CBI_SCLEAR		4
#define XFER_CBI_RESET1		5
#define XFER_CBI_RESET2		6
#define XFER_CBI_RESET3		7

#define XFER_NR			9	/* maximum number */

	usbd_xfer_handle	transfer_xfer[XFER_NR]; /* for ctrl xfers */

	void			*data_buffer;

	int			transfer_dir;		/* data direction */
	void			*transfer_data;		/* data buffer */
	int			transfer_datalen;	/* (maximum) length */
	int			transfer_actlen;	/* actual length */
	umass_callback		transfer_cb;		/* callback */
	void			*transfer_priv;		/* for callback */
	int			transfer_status;

	int			transfer_state;
#define TSTATE_IDLE			0
#define TSTATE_BBB_COMMAND		1	/* CBW transfer */
#define TSTATE_BBB_DATA			2	/* Data transfer */
#define TSTATE_BBB_DCLEAR		3	/* clear endpt stall */
#define TSTATE_BBB_STATUS1		4	/* clear endpt stall */
#define TSTATE_BBB_SCLEAR		5	/* clear endpt stall */
#define TSTATE_BBB_STATUS2		6	/* CSW transfer */
#define TSTATE_BBB_RESET1		7	/* reset command */
#define TSTATE_BBB_RESET2		8	/* in clear stall */
#define TSTATE_BBB_RESET3		9	/* out clear stall */
#define TSTATE_CBI_COMMAND		10	/* command transfer */
#define TSTATE_CBI_DATA			11	/* data transfer */
#define TSTATE_CBI_STATUS		12	/* status transfer */
#define TSTATE_CBI_DCLEAR		13	/* clear ep stall */
#define TSTATE_CBI_SCLEAR		14	/* clear ep stall */
#define TSTATE_CBI_RESET1		15	/* reset command */
#define TSTATE_CBI_RESET2		16	/* in clear stall */
#define TSTATE_CBI_RESET3		17	/* out clear stall */
#define TSTATE_STATES			18	/* # of states above */


	int			timeout;		/* in msecs */

	u_int8_t		maxlun;			/* max lun supported */

#ifdef UMASS_DEBUG
	struct timeval tv;
#endif

	int			sc_xfer_flags;
	char			sc_dying;
	int			sc_refcnt;
	int			sc_sense;

	struct umassbus_softc	*bus;		 /* bus dependent data */

	/* For polled transfers */
	int			polling_depth;
	usbd_status		polled_xfer_status;
	usbd_xfer_handle	next_polled_xfer;
};

#define UMASS_MAX_TRANSFER_SIZE	MAXBSIZE